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There is no cheap data

I really want to respond at length to Tim Bray's post What Do Tags Mean?, but I've got work to do. I'll limit myself to two points - Tim says (regularly) "There is no cheap metadata." I don't think that's true, or particularly relevant. For example, all my outgoing mail contains my name - data or metadata? What's the cost? In general this question should be balanced with: what's the benefit?
If you have high benefit/cost, is that cheap or merely good value?

The other point is regarding tags, taxonomies, namespaces, structured vocabularies and personal ontologies. Tim's right about the difference between Technorati's flat approach and Atom's potentially structured approach, but there's been a lot of work done in this area.

In a summary form, it's all there in Morten's FOAF Output Plugin.

Oh, and a different angle is Pietro's Delicious Mind Map Maker, which shows how you can elicit structure from the flat stuff.

January 20, 2005 in Web/Tech |

Comments

Ben Lund

Danny, I think I agree. Metadata is expensive if no-one wants to create it, but is incredibly cheap if there's a good, old-fashioned, selfish reason for creating it.

And controlled vocabularies are expensive to develop, except if they devlop on there own. I'm beginning to think that folksonomies, like del.icio.us or flikr or connotea tagsets, are evolutionary beasts:
http://www.benlund.co.uk/project/dust/2005/01/20/darwinian_metadata

Posted by: Ben Lund | January 20, 2005 at 06:00 PM

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